Taxes on Income - Additional Information (Detail) (USD $)	12 Months Ended						12 Months Ended				48 Months Ended	12 Months Ended		48 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010	Sep. 30, 2008	Jan. 01, 2008	Jan. 01, 2012 Minimum [Member]	Jan. 01, 2012 Maximum [Member]	Dec. 30, 2012 Federal and state [Member]	Jan. 02, 2011 Federal and state [Member]	Jan. 01, 2008 Federal and state [Member]	Dec. 30, 2012 Foreign tax authority [Member]	Jan. 02, 2011 Foreign tax authority [Member]	Jan. 01, 2008 Foreign tax authority [Member]	Dec. 30, 2012 Segment, discontinued operations [Member]
Schedule Of Income Taxes [Line Items]
Operating net operating loss carryforwards	$ 155,100,000
Share based payment awards	26,900,000
Net operating losses for foreign based subsidiary	3,500,000
State net operating loss carryforwards	187,000,000														182,700,000
Valuation allowance	63,900,000
Effective tax rate from continuing operations	39.90%	35.00%	31.00%
Income taxes at the U.S. federal statutory rate	35.00%
U.S. federal and state income taxes	(134,000)	316,000	(62,000)						3,300,000	12,100,000	15,400,000
Foreign withholding taxes	5,319,000	11,123,000	12,617,000									200,000	900,000	1,100,000
Undistributed earnings to be repatriating in foreseeable future												9,200,000
Undistributed earnings from foreign subsidiaries	3,100,000		12,200,000	20,200,000		44,700,000
Undistributed earnings reinvested outside U.S.	240,000,000
Withholding taxes on reinvestment outside	3,700,000
Unrecognized tax benefits	25,186,000	7,736,000	8,159,000	9,551,000
Reduction in unrecognized tax benefits	519,000	1,237,000	0
Increase in unrecognized tax benefits	18,118,000	693,000	718,000
Unrecognized tax benefits that would impact effective tax rate	25,200,000
Unrecognized tax benefits that would require to settle through cash	7,400,000
Accrued interest and penalties	1,200,000
Reassessment of tax, including interest					900,000
Cover of minimum tax years							2006	2011
Expected tax benefits		$ 2,000,000